Catheter



FIG. 1 is a perspective view of a catheter.

FIG. 2 is a right side view of the catheter.

FIG. 3 is a left side view of the catheter.

FIG. 4 is a top view of the catheter.

FIG. 5 is a bottom view of the catheter.

FIG. 6 is a front view of the catheter.

FIG. 7 is a rear view of the catheter; and,

FIG. 8 is a cross-sectional view of the catheter as indicated in FIG. 2.

The catheter is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a catheter, as shown and described. 